High-Quality Automotive Circuit Tester for Trucks: 6V-24V Voltage Diagnostic Probe Pen

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Product Details

Discover the Ultimate Solution for Automotive Diagnostics

Ever had those moments of uncertainty about your vehicle’s electrical system? Whether you’re a professional mechanic or a DIY enthusiast, our high-quality Automotive Circuit Tester is your go-to diagnostic tool. It’s not just a tool; it’s a trusted companion that ensures your vehicles are always running at their best.

Key Features

  • Precision Testing: Sharp steel probes pierce wire insulation with ease to check circuits without causing damage.
  • Versatility: Perfect for cars, trucks, boats, trailers, motorcycles, and other low-voltage systems.
  • Instant Results: Just ground the alligator clip and test the circuit with the probe. If the light turns on, you’ve got electricity.
  • Robust Build: Made with a durable ABS+metal combination. Designed to last and resist wear and tear.

When to Use

This Circuit Tester excels when you need to check circuits, fuses, switches, and wiring. Whether you’re troubleshooting a mysterious electrical issue or doing routine checks, this tool is designed to give you accurate and immediate results.

Why Choose Our Automotive Circuit Tester?

What sets our product apart from the rest? It’s the delicate balance between quality and simplicity. With a voltage test range between 6V to 24V and a replaceable 3-watt bulb, you’re equipped to diagnose most automotive electrical issues. Its ergonomic design ensures comfort and accuracy while testing.


  • Boosts diagnostic accuracy and efficiency
  • Safe and easy to use with clear instructions
  • Compact size for easy storage and portability
  • Durable and long-lasting build quality

Important Note:

Please be aware that due to a chip update, the tester works in the range of 5V to 90V, even if the mark on the pen shows 6 to 12V. The global voltage differences might also result in a tolerance of ±1.5V. Your understanding is appreciated.

Ready to Uplift Your Automotive Diagnostic Game?

Equip yourself with a tool that promises precision, reliability, and longevity. Upgrade your toolkit now and ensure every vehicle you touch runs flawlessly. Order now and elevate your automotive diagnostic experience!

Shipping & Delivery

How much does shipping cost?

We are glad to bring our customers great value and service. That’s why we provide fast shipping from our Fulfillment Center in California by UPS and USPS.

What countries are you delivering to?

As of now, we’re delivering to the United States only.

How can I track my parcel?

Once your parcel has left our Fulfillment Center, you will receive an email with a tracking number to monitor your parcel movements.

Can you ship my order to a business address?

Yes, you can write your business address in your order details if it’s more convenient to you.

Can you ship my order to a PO Box address?

Yes, you can select delivery to a PO Box if it’s more convenient to you.

Can you ship my order to APO or FPO military addresses?

Yes, we ship anywhere in the United States, and to all US territories and military APO/FPO addresses.

What happens to my parcel if it is delivered while I’m not there?

Depending on the destination and the package size, your parcel will be left in your mailbox or on your porch, or it may be left with a neighbour.

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